如何从 Azure 文件共享获取文件元数据？

Question

我正在尝试使用 npm storage-file-share 从 Azure 文件共享中获取文件共享元数据。

代码片段如下，但未在文档中找到任何获取元数据的地方。

有没有办法从 Azure 库中获取元数据或必须调用 rest api？

const serviceClient = new ShareServiceClient(
      `https://${storageAccountName}.file.core.windows.net`,
      credential
    );
    const directoryClient  = serviceClient.getShareClient(shareName).getDirectoryClient(directoryPath);
    const dirIter = directoryClient.listFilesAndDirectories();
    const list = [];
    for await (const item of dirIter) {
        list.push({name: item.name, metadata????}); // Need item metadata 
    }

Answer 1

你可以使用方法getShareMetadata

fileService.getShareMetadata(shareName, function (error, result, response) {

Answer 2

对于 file 和 directory，您可以对 fetching metadata 使用 getProperties 方法。下面是这个方法的定义：

Returns all user-defined metadata, standard HTTP properties, and system properties for the file. It does not return the content of the file.

所以在你的代码->里面for await (const item of dirIter)，你需要判断它是file还是directory，然后调用getProperties()方法。示例代码如下所示：

for await (const item of dirIter) {
      if (item.kind === "directory") {
        
        const mydirectory = directoryClient.getDirectoryClient(item.name);
        var diretory_properties = await mydirectory.getProperties();

        //for test, you can print out the metadata
        console.log(diretory_properties.metadata);

        //here, you can write code to add the metadata in your list

      } else {
        
        const myfile=directoryClient.getFileClient(item.name);
        var the_properties = await myfile.getProperties();

        //for test, you can print out the metadata
        console.log(the_properties.metadata)

       //here, you can write code to add the metadata in your list

      }
    }